57 lines
1.4 KiB
PHP
57 lines
1.4 KiB
PHP
<?php
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namespace App\Cache\Redis\Api;
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use App\Cache\Redis\RedisCache;
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use Hyperf\Di\Annotation\Inject;
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use Psr\Container\ContainerExceptionInterface;
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use Psr\Container\NotFoundExceptionInterface;
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class EvaluationCache
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{
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/**
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* @var RedisCache
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*/
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#[Inject]
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protected RedisCache $redis;
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/**
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* @param int $chefId
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* @param int $score
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* @return void
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* @throws ContainerExceptionInterface
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* @throws NotFoundExceptionInterface
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*/
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public function addChefEvaluation(int $chefId,int $score): void
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{
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$key = ApiRedisKey::chefEvaluationKey($chefId);
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$this->redis->hIncrBy($key, 'total_score', $score);
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$this->redis->hIncrBy($key, 'total_count', 1);
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}
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/**
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* @param int $chefId
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* @return float|int
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* @throws ContainerExceptionInterface
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* @throws NotFoundExceptionInterface
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*/
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public function getChefEvaluation(int $chefId): float|int
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{
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$key = ApiRedisKey::chefEvaluationKey($chefId);
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$totalScore = $this->redis->hGet($key, 'total_score');
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$totalCount = $this->redis->hGet($key, 'total_count');
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if (empty($totalScore) || empty($totalCount)) return 0;
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$avgScore = $totalScore / $totalCount;
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if ($avgScore < 4) {
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$normalized = $avgScore / 4;
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$avgScore = 4 + 1 - exp(-2 * $normalized);
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}
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return round($avgScore,1);
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}
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} |